package org.apache.maven.project;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import java.util.ArrayList;
import java.util.List;

/**
 * Provides metadata about a build extension. <strong>Warning:</strong> This is an internal utility
 * class that is only public for technical reasons, it is not part of the public API. In particular,
 * this class can be changed or deleted without prior notice.
 * 
 * @author Benjamin Bentmann
 */
public class ExtensionDescriptor {

  private List<String> exportedPackages;

  private List<String> exportedArtifacts;

  ExtensionDescriptor() {
    // hide constructor
  }

  public List<String> getExportedPackages() {
    if (exportedPackages == null) {
      exportedPackages = new ArrayList<String>();
    }

    return exportedPackages;
  }

  public void setExportedPackages(List<String> exportedPackages) {
    if (exportedPackages == null) {
      this.exportedPackages = null;
    } else {
      this.exportedPackages = new ArrayList<String>(exportedPackages);
    }
  }

  public List<String> getExportedArtifacts() {
    if (exportedArtifacts == null) {
      exportedArtifacts = new ArrayList<String>();
    }

    return exportedArtifacts;
  }

  public void setExportedArtifacts(List<String> exportedArtifacts) {
    if (exportedArtifacts == null) {
      this.exportedArtifacts = null;
    } else {
      this.exportedArtifacts = new ArrayList<String>(exportedArtifacts);
    }
  }

}
